diff --git a/app/views/issues/_change_author.html.slim b/app/views/issues/_change_author.html.slim
index d520ddf3..8d6b3431 100644
--- a/app/views/issues/_change_author.html.slim
+++ b/app/views/issues/_change_author.html.slim
@@ -4,6 +4,6 @@
     p#change_author
       = form.label_for_field :author_id
       = link_to_function content_tag(:span, l(:button_edit), class: 'icon icon-edit'), '$(this).hide(); $("#issue_author_id").show()'
-      = form.select :author_id, author_options, { required: true, no_label: true }, { style: "display: none" }
+      = form.select :author_id, author_options, { required: true, no_label: true }, style: 'display: none'
     javascript:
       $('#change_author').insertBefore($('#issue_tracker_id').parent());